/Engine/Source/Runtime/Engine/Classes/Kismet/KismetMathLibrary.h
Provides different easing functions that can be used in blueprints
namespace EEasingFunc { enum Type { Linear, Step, SinusoidalIn, SinusoidalOut, SinusoidalInOut, EaseIn, EaseOut, EaseInOut, ExpoIn, ExpoOut, ExpoInOut, CircularIn, CircularOut, CircularInOut, } }